Subcategorization frame
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In the UNL framework, Subcategorization Frames are the number and types of syntactic arguments that co-occurs with the lemma in a sentence.
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When to use subcategorization frames
Subcategorization frames are mandatory for words that take one or more syntactic argument, such as:
- intransitive verbs ('sleep', 'rain')
- direct transitive verbs ('kill', 'kiss')
- indirect transitive verbs ('depend', 'rely')
- ditransitive verbs ('give')
- deverbals ('arrival', 'construction')
- adjectives that require a complement ('loyal', 'interested')
- adverbs that require a complement ('contrarily to')
- prepositions ('in', 'after', 'near', 'instead')
- conjunctions ('because', 'and', 'but')
Subcategorization frames are optional for words that take no syntactic argument, such as:
- nouns ('table', 'computer')
- adjectives ('beautiful', 'intelligent')
- adverbs ('yesterday', 'here')
- determiners ('the', 'this')
- pronouns ('he', 'yours')
Syntax
Subcategorization frames should comply with the S-Rule formalism for writing syntactic rules in the UNL framework.
Examples
Adjectives
- BEAUTIFUL
- There is no need for a semantic frame.
- LOYAL (TO)
- JC(PP("to"));
- The complement of the adjective (JC) is a prepositional phrase (PP) whose head is "to".
- JC(PP("to"));
- INTERESTED (IN)
- JC(PP("in"));
- The complement of the adjective (JC) is a prepositional phrase (PP) whose head is "to".
- JC(PP("in"));
Adverbs
- HERE
- There is no need for a semantic frame.
- CONTRARILY (TO)
- AC(PP("to"));
- The complement of the adverb (AC) is a prepositional phrase (PP) whose head is "to".
- AC(PP("to"));
Nouns
- TABLE
- There is no need for a semantic frame.
- CONSTRUCTION (OF)
- NC(PP("of"));
- The complement of the noun (NC) is a prepositional phrase (PP) whose head is "of"
- NC(PP("of"));
Prepositions
- NEAR(TO)
- PC(PP("to"));
- The complement of the preposition (PC) is a prepositional phrase (PP) whose head is "to".
- PC(PP("to"));
- IN
- PC(NP);
- The complement of the preposition (PC) is a noun phrase (NP).
- PC(NP);
Verbs
- INTRANSITIVE ("sleep")
- VS(NP,NOM,>NUM,>PER);
- The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head
- VS(NP,NOM,>NUM,>PER);
- COPULA ("be")
- VS(NP,NOM,>NUM,>PER),VC({NP,JP}, NOM);
- The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and the complement of the verb (VC) is either a noun phrase (NP) or an adjective phrase (JP), that receives the nominative case (NOM) as well.
- VS(NP,NOM,>NUM,>PER),VC({NP,JP}, NOM);
- DIRECT TRANSITIVE ("kill")
- VS(NP,NOM,>NUM,>PER), VC(NP,ACC);
- The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and the complement of the verb (VC) is a noun phrase (NP) that receives the accusative case (NOM).
- VS(NP,NOM,>NUM,>PER), VC(NP,ACC);
- INDIRECT TRANSITIVE ("depend")
- VS(NP,NOM,>NUM,>PER),VC(PP("on"),ACC);
- The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and the complement of the verb (VC) is a prepositional phrase (PP) whose head is "on". The PP receives the accusative case (ACC).
- VS(NP,NOM,>NUM,>PER),VC(PP("on"),ACC);
- DITRANSITIVE ("give")
- VS(NP,NOM,>NUM,>PER), VC(NP,ACC), VC(PP("to"),DAT);
- The subject (SPEC) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and there are two complements: a noun phrase (NP), that receives the accusative case (ACC), and a prepositional phrase (PP), whose head is "to", and that receives the dative case (DAT).
- VS(NP,NOM,>NUM,>PER), VC(NP,ACC), VC(PP("to"),DAT);